Features
      Noctua Fan NF-S12B-ULN 6,8-5,0 dbA, 33,47-22,47 cfm, 700-500rpm Ultra Low Noise Technology...
Specifications: 
- Dimensions 120x120x25 mm 
- Rotation system SSO-Bearing 
- Geometry blades NF-S12B 
- Blade Design with BBT 
- The engine speed 700 RPM 500 RPM with U.L.N.A. 
- Air flow 33.48 CFM 22.48 CFM with U.L.N.A. 6.8 
- Noise dbA 5.0 dbA with U.L.N.A. 0.44 mm 
- H2O pressure generated 0.23 mm H2O with ulna 
- Consumption 0.6 W 
- Current consumption 0.05 A 
- Voltage supply 12V 
- Expected duration of more than 150,000 hours
Also in the Package: 
- Ultra-Low-Noise Adapter (U.L.N.A.) 
- 4 Vibration Compensators 
- 3:4-Pin Adapter 
- 4 Fan Screws 
Warranty 6 years